2 Javascript Dark Mode Toggles

by Vladimir 1 min read

This collection offers a comprehensive guide to implementing dark mode, from logic to interface. JavaScript is used to detect system preferences and persist user choices in localStorage, preventing the “flash of incorrect theme”. All styling is built on CSS variables, with JavaScript merely toggling a .dark-mode class on the root element for high performance. Examples include stylish animated toggles and smooth global transitions, creating a professional and comfortable user experience.

Examples

Minimalist geometric light bulb illustration with a hanging pull cord that triggers a background color change from white to dark blue.

Interactive CSS Light Bulb Toggle

This Interactive CSS Light Bulb Toggle transforms a standard theme switch into a playful interaction. It creates a convincing illusion of a physical pull-cord using standard click events. Rather than using a complex physics engine, it relies on precise timing between mouse/touch events and CSS transforms to mimic the tension and release of a rope when the user clicks the button.

Technologies:
HTML CSS JavaScript
Difficulty: Intermediate
Browser Support (as of Jan 2026):
Chrome Chrome 80+ Edge Edge 80+ Safari Safari 13+ Firefox Firefox 70+
Features:
CSS Drawing Dark Mode Switch Click Micro-interaction Tactile Feedback
Code by: Abubaker Saeed Abubaker Saeed
License: MIT
Folding/Collapsing Profile Card Starring Batwoman

Folding/Collapsing Profile Card Starring Batwoman

An interactive profile card featuring a dynamic theme toggle triggered by clicks on the avatar or menu button.